[INFO] cloning repository https://github.com/adambratschikaye/wasmtime-memory-regression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adambratschikaye/wasmtime-memory-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambratschikaye%2Fwasmtime-memory-regression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambratschikaye%2Fwasmtime-memory-regression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d818510d9587cadfe945989c3d39480aa7679ba [INFO] checking adambratschikaye/wasmtime-memory-regression against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambratschikaye%2Fwasmtime-memory-regression" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/adambratschikaye/wasmtime-memory-regression [INFO] finished tweaking git repo https://github.com/adambratschikaye/wasmtime-memory-regression [INFO] tweaked toml for git repo https://github.com/adambratschikaye/wasmtime-memory-regression written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/adambratschikaye/wasmtime-memory-regression on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/adambratschikaye/wasmtime-memory-regression already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" 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"/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d13811685e611914572205ec0556c3d22fcde5d879a46289313b076ba2e4a272 [INFO] running `Command { std: "docker" "start" "-a" 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field in this struct [INFO] [stdout] 8 | last: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HostState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last` is never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct HostState { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 8 | last: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HostState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 28s [INFO] running `Command { std: "docker" 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